Home / 3,211,028.32-4,431,167.76-1,760,736.28

Finding the Fourth Proportional to 3,211,028.32, 4,431,167.76 and 1,760,736.28

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Solution

The fourth proportional to 3,211,028.32, 4,431,167.76 and 1,760,736.28 is: 2,429,787.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,211,028.32 : 4,431,167.76 = 1,760,736.28 : x
  2. Step 2: Convert to fraction form
    3,211,028.32/4,431,167.76 = 1,760,736.28/x
  3. Step 3: Cross multiply
    3,211,028.32x = 4,431,167.76 × 1,760,736.28
  4. Step 4: Simplify right side
    3,211,028.32x = 7,802,117,837,798.33
  5. Step 5: Solve for x
    x = 7,802,117,837,798.33/3,211,028.32
  6. Step 6: Final answer
    x = 2,429,787.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.